SqlException.cs :  » 2.6.4-mono-.net-core » System.Data » System » Data » SqlClient » C# / CSharp Open Source

//
// System.Data.SqlClient.SqlException.cs
//
// Author:
//   Rodrigo Moya (rodrigo@ximian.com)
//   Daniel Morgan (danmorg@sc.rr.com)
//   Tim Coleman (tim@timcoleman.com)
//
// (C) Ximian, Inc
// Copyright (C) Tim Coleman, 2002
//

//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.ComponentModel;
using System.Data;
using System.Data.Common;
using System.Runtime.Serialization;
using System.Text;

using Mono.Data.Tds.Protocol;

namespace System.Data.SqlClient{
  [Serializable]
  public sealed class SqlException
#if NET_2_0
    : DbException
#else
    : SystemException
#endif //NET_1_1
  {
    #region Fields

    private readonly SqlErrorCollection errors;
    private const string DEF_MESSAGE = "SQL Exception has occured.";

    #endregion // Fields

    #region Constructors

    internal SqlException ()
      : this (DEF_MESSAGE, null, null)
    {
    }
    
    internal SqlException (string message, Exception inner)
      : this (message, inner, null)
    {
    }

    internal SqlException (string message, Exception inner, SqlError sqlError)
      : base (message == null ? DEF_MESSAGE : message, inner)
    {
      HResult = -2146232060;
      errors = new SqlErrorCollection ();
      if (sqlError != null)
        errors.Add (sqlError);
    }

    internal SqlException (byte theClass, int lineNumber, string message, int number, string procedure, string server, string source, byte state) 
      : this (null, 
        null, 
        new SqlError (theClass, lineNumber, message, 
                number, procedure, server, source, 
                state)) 
    {
    }
    
    private SqlException(SerializationInfo si, StreamingContext sc)
    {
      HResult = -2146232060;
      errors = (SqlErrorCollection) si.GetValue ("Errors", typeof (SqlErrorCollection));
    }

    #endregion // Constructors

    #region Properties

    public byte Class {
      get { return Errors [0].Class; }
    }

    [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
    public SqlErrorCollection Errors {
      get { return errors; }
    }

    public int LineNumber {
      get { return Errors [0].LineNumber; }
    }
    
    public override string Message {
      get {
        if (Errors.Count == 0)
          return base.Message;
        StringBuilder result = new StringBuilder ();
        if (base.Message != DEF_MESSAGE) {
          result.Append (base.Message);
          result.Append ("\n");
        }
        for (int i = 0; i < Errors.Count -1; i++) {
          result.Append (Errors [i].Message);
          result.Append ("\n");
        }
        result.Append (Errors [Errors.Count - 1].Message);
        return result.ToString ();
      }
    }
    
    public int Number {
      get { return Errors [0].Number; }
    }
    
    public string Procedure {
      get { return Errors [0].Procedure; }
    }

    public string Server {
      get { return Errors [0].Server; }
    }
    
    public override string Source {
      get { return Errors [0].Source; }
    }

    public byte State {
      get { return Errors [0].State; }
    }

    #endregion // Properties

    #region Methods

    internal static SqlException FromTdsInternalException (TdsInternalException e)
    {
      SqlError sqlError = new SqlError (e.Class, e.LineNumber, e.Message,
                e.Number, e.Procedure, e.Server,
                "Mono SqlClient Data Provider", e.State);
      return new SqlException (null, e, sqlError);
    }

    public override void GetObjectData (SerializationInfo si, StreamingContext context) 
    {
      if (si == null)
        throw new ArgumentNullException ("si");

      si.AddValue ("Errors", errors, typeof(SqlErrorCollection));
      base.GetObjectData (si, context);
    }

    #endregion // Methods
  }
}